Pre seed? If ob/gym said no lubricants while ttc?

Brooke
I am 36, husband is 38, ttc. I have a 26 day cycle and am ovulating. We have been trying for about 6-8 months, and not, NOT trying before that fir over a year. (Meaning no bc). My ob/gyn said to keep doing what we are doing and to come back in 6 months if we are not preg. She said no lubricant(which we don't use anyway) but I've been hearing about pre seed. Is this considered a lubricant? Thanks in advance.